Lutz, H. Optical Systems for Space Applications. SPIE Digital Library.
Chicago-čujuhus (17. p.)Lutz, Hanspeter. Optical Systems for Space Applications. SPIE Digital Library.
MLA-čujuhus (9. p.)Lutz, Hanspeter. Optical Systems for Space Applications. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.